The UTO-523 from Teledyne Microwave Solutions is a RF Amplifier with Frequency 5 to 500 MHz, Small Signal Gain 23 to 25.5 dB pk-pk, Gain Flatness ±1 dB, Noise Figure 3.5 to 7 dB, Output Power 12 to 13.5 dBm. Tags: Power Amplifier. More details for UTO-523 can be seen below.